// : io/xfiles/ThawAlien.java
// Try to recover a serialized file without the
// class of object that's stored in that file.
// {RunByHand}
import java.io.*;

public class ThawAlien {
    public static void main(String[] args) throws Exception {
        ObjectInputStream in = new ObjectInputStream(new FileInputStream(new File("..", "X.file")));
        Object mystery = in.readObject();
        System.out.println(mystery.getClass());
    }
} /*
   * Output:
   * class Alien
   */// :~
